The hex color #53adb0 is a light color. The web-safe version is Hex
#669999. A complementary color is
#AC524F. The grayscale version is
#909090. A 20% lighter version of the original color is
#86E0E3, and Hex
#207A7D is the 20% darker color. If the color is saturated by 10%, you get
#4DB0B3. If the color is desaturated by 10%, the color
#59AAAD is obtained.